Structure A1424 · Washington County, AR

US 71-wash Co. over Rock Creek

Carries US 71-wash Co. over Rock Creek, 2.3 Mi N Jct SH 170.

Overall conditionPoor

Set by its lowest-rated component: Deck and Superstructure at 4 of 9.

How ratings work
Decksets the rating4/9 · Poor
Superstructuresets the rating4/9 · Poor
Substructure5/9 · Fair
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT105 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9 · sets the ratingSuperstructure 4/9 · sets the ratingSubstructure 5/9

105 ft end to end, longest span 35 ft. Lengths and the car on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a tee-beam bridge.

Built1930rebuilt 1980
Length105.0 ft32 m
Daily traffic5,800counted 2018
Last inspectedJune 2023every 24 months

Location

StateArkansas
CountyWashington
Location2.3 Mi N Jct SH 170
CarriesUS 71-wash Co.
CrossesRock Creek
Coordinates35.96251, -94.16759

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length105.0 ft (32 m)
Max Span35.1 ft (10.7 m)
Deck Width58.7 ft (17.9 m)
Deck Area572.8 sq m
Main Spans3
Year Built1930 (reconstructed 1980)

Traffic

Avg Daily Traffic5,800 (2018)
Truck Traffic3%
Lanes On Bridge4

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number0000000000A1424

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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